delphi generic interface

Paul McGee answered on May 26, 2022 Popularity 2/10 Helpfulness 1/10

answer delphi generic interface

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delphi generic interface

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unit UseDemo;
 
interface
 
uses GenChecks;
 
type
  TDemo<T> = class
  private
    FChecker: IChecker<T>;
  public
    constructor Create(AChecker: IChecker<T>);
    procedure Check(AValue: T);
  end;
 
implementation
 
{ TDemo<T> }
 
procedure TDemo<T>.Check(AValue: T);
begin
  if FChecker.Check(AValue)
    then Writeln('Passed')
    else Writeln('Stopped')
end;
 
constructor TDemo<T>.Create(AChecker: IChecker<T>);
begin
  FChecker:= AChecker;
end;
 
end.

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Contributed on Nov 10 2022

Paul McGee

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delphi generic interface

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type
  IChecker<T> = interface
    function Check(const Instance: T): Boolean;
  end;

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Contributed on Nov 10 2022

Paul McGee

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delphi generic interface

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type
  TChecker<T> = class(TInterfacedObject, IChecker<T>)
    function Check(const Instance: T): Boolean;
  end;

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Contributed on Nov 10 2022

Paul McGee

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delphi interfaces

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-1

IInterfaceComponentReference = interface
  ['{E28B1858-EC86-4559-8FCD-6B4F824151ED}']
  function GetComponent: TComponent;
end;

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Contributed on May 26 2022

Mariusz62

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delphi generic interface

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